19128705

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1327}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 31648896

約数和(自身を除く): 12520191

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1327, 2883, 3981, 4805, 6635, 14415, 19905, 41137, 123411, 205685, 617055, 1275247, 3825741, 6376235, 19128705]

約数ペア:

[(1, 19128705), (3, 6376235), (5, 3825741), (15, 1275247), (31, 617055), (93, 205685), (155, 123411), (465, 41137), (961, 19905), (1327, 14415), (2883, 6635), (3981, 4805)]